Home / 215,898,171.20-323,847,256.80-106,740,189.80

Finding the Fourth Proportional to 215,898,171.20, 323,847,256.80 and 106,740,189.80

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Solution

The fourth proportional to 215,898,171.20, 323,847,256.80 and 106,740,189.80 is: 160,110,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,171.20 : 323,847,256.80 = 106,740,189.80 : x
  2. Step 2: Convert to fraction form
    215,898,171.20/323,847,256.80 = 106,740,189.80/x
  3. Step 3: Cross multiply
    215,898,171.20x = 323,847,256.80 × 106,740,189.80
  4. Step 4: Simplify right side
    215,898,171.20x = 34,567,517,657,041,340
  5. Step 5: Solve for x
    x = 34,567,517,657,041,340/215,898,171.20
  6. Step 6: Final answer
    x = 160,110,284.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.